| 摘要 |
A simple, inexpensive construction, utilizing commonly available plastic tubing, hypodermic needle hub, suture materials and cyanoacrylic glue is provided for subcutaneous implantation within a test animal, one of the generally tubular structure being permanently affixed in communication with a selected portion of the gastrointestinal tract consisting essentially of the small intestines, colon, stomach or gut-associated lymphoid tissue (GALT) of the test animal, with the other end of the tubular structrure firmly located behind the head of the test animal for easy access thereto. This invention, following implantation thereof into a test animal, may be readily utilized for the controlled delivery therethrough of multiple doses of one or more selected liquid materials for direct delivery thereof to the gastrointestinal tract of the test animal.
|
